airmon-ng
Differences
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airmon-ng [2019/08/17 01:55] – [Debugging issues] Fixed typo mister_x | airmon-ng [2019/08/18 01:15] – brcmf_cfg80211_add_iface: iface validation failed: err=-95 mister_x | ||
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Line 424: | Line 424: | ||
mon0: ERROR while getting interface flags: No such device | mon0: ERROR while getting interface flags: No such device | ||
- | This means you have an old version of airmon-ng installed. Upgrade to at least v1.0-rc1. | + | This means you have an old version of airmon-ng installed. Upgrade to at least v1.0-rc1. |
==== check kill fails ==== | ==== check kill fails ==== | ||
Line 456: | Line 456: | ||
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See also http:// | See also http:// | ||
+ | |||
+ | ==== ERROR adding monitor mode interface: command failed: Operation not supported (-95) ==== | ||
+ | |||
+ | It is known to happen on the Raspberry Pi, when using [[airmon-ng]]. When that happens, the following can be seen in dmesg: | ||
+ | |||
+ | brcmfmac: brcmf_vif_add_validate: | ||
+ | brcmfmac: brcmf_vif_add_validate: | ||
+ | brcmfmac: brcmf_cfg80211_add_iface: | ||
+ | |||
+ | There may be instances of the following in dmesg as well prior to the above output: | ||
+ | |||
+ | brcmfmac: brcmf_vif_add_validate: | ||
+ | brcmfmac: brcmf_mon_add_vif: | ||
+ | brcmfmac: brcmf_mon_add_vif: | ||
+ | brcmfmac: brcmf_cfg80211_get_channel: | ||
+ | |||
+ | Even though dmesg says the interface is already in monitor mode and "iw dev wlan0 info" confirms it is, [[airodump-ng]] will fail and report the interface data linktype is Ethernet. This is a bug in the driver and/or firmware, and the workaround is to reboot the system or to reload the driver: | ||
+ | |||
+ | rmmod brcmfmac | ||
+ | modprobe brcmfmac |
airmon-ng.txt · Last modified: 2022/02/09 00:34 by mister_x